Hi Navan,

HR is a unique specialisation in MBA as it covers all the aspects of people management.
There are limited common aspects of HR when compared to other specialisations like marketing, finance, international business, strategy etc.
So it totally depend on your interest in which subject you want to pursue your majors in apart from HR. You can refer to the briefs about other specialisations before choosing your preference:
MBA in IB exposes you to various aspects of international business like international marketing, Finance and accounting in various countries, global supply chain, cultural differences etc. These subjects are an add on to the regular MBA subjects.
Usually companies offer a global leadership role for international markets in which you get a chance to work in different countries on top positions.
MBA finance:  It is a career field which requires one to possess skills in mathematics, economics, and financial theory, all of which are covered in great detail in a finance degree, specialization or track.
An MBA in finance balances mathematical rigor with management classes, and can be a good way to direct your career towards c-suite jobs in finance.
MBA Marketing: If you are interested in the entertainment, media, promotions, advertisement, sales and general management field, then the MBA is appropriate for you.
The marketing is the heart of any organization. The trend of marketing has changed and augmented with the technological evolution in the world.
MBA Operations: Operations management is chiefly concerned with planning, organizing and supervising in the contexts of production, manufacturing or the provision of services. As such, it is delivery-focused, ensuring that an organization successfully turns inputs to outputs in an efficient manner. The inputs themselves could represent anything from materials, equipment and technology to human resources such as staff or workers.
MBA Strategic Management : It offers a solid foundation in business strategy as it applies to competitive businesses, corporate diversification, and government institutions. Skill in adapting to evolving business environments and Changing laws.
MBA IT and Analytics: While an MBA has not been necessary in the past to become a successful IT manager, the skills engendered by the MBA are becoming more and more essential as IT becomes increasingly ingrained across industries and business functions.
All the best!